Finding the Fourth Proportional to 277,474,701.60, 416,212,052.40 and 162,588,967.20
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Solution
The fourth proportional to 277,474,701.60, 416,212,052.40 and 162,588,967.20 is: 243,883,450.80
Step by Step Solution
- Step 1: Write the proportion equation
277,474,701.60 : 416,212,052.40 = 162,588,967.20 : x - Step 2: Convert to fraction form
277,474,701.60/416,212,052.40 = 162,588,967.20/x - Step 3: Cross multiply
277,474,701.60x = 416,212,052.40 × 162,588,967.20 - Step 4: Simplify right side
277,474,701.60x = 67,671,487,735,908,272 - Step 5: Solve for x
x = 67,671,487,735,908,272/277,474,701.60 - Step 6: Final answer
x = 243,883,450.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.